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Simplifying 2x2 + -9 = -81 Reorder the terms: -9 + 2x2 = -81 Solving -9 + 2x2 = -81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 2x2 = -81 + 9 Combine like terms: -9 + 9 = 0 0 + 2x2 = -81 + 9 2x2 = -81 + 9 Combine like terms: -81 + 9 = -72 2x2 = -72 Divide each side by '2'. x2 = -36 Simplifying x2 = -36 Reorder the terms: 36 + x2 = -36 + 36 Combine like terms: -36 + 36 = 0 36 + x2 = 0 The solution to this equation could not be determined.
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